aside{
  float:left;
  background-color:#f8f8f8;  
  border-radius:6px;
  border: 1px solid #d9d9d9;
  margin-right:1%;
}
.clear{
  clear:both;
}
.childTreeCon{
  
}
.childTreeAside
{
  position: absolute;
  height: 400px;
  width:170px;
  overflow-y:scroll;
  overflow-x:hidden;
}
.childTreeSec{
 margin-left: 180px;
}
.ant-tree.ant-tree-show-line li span.ant-tree-switcher {
  background-color:#f8f8f8;  
}